pushHistory(); 
   window.addEventListener("popstate", function(e) { 
     window.location = 'http://www.baidu.com';
   }, false); 
   function pushHistory() { 
     var state = { 
       title: "title", 
       url: "#"
     }; 
     window.history.pushState(state, "title", "#"); 
   }jingqi
